Finding the Fourth Proportional to 150,467.52, 207,645.20 and 83,399.52

Step by Step Solution

1. Step 1: Write the proportion equation
   150,467.52 : 207,645.20 = 83,399.52 : x
2. Step 2: Convert to fraction form
   150,467.52/207,645.20 = 83,399.52/x
3. Step 3: Cross multiply
   150,467.52x = 207,645.20 × 83,399.52
4. Step 4: Simplify right side
   150,467.52x = 17,317,510,010.30
5. Step 5: Solve for x
   x = 17,317,510,010.30/150,467.52
6. Step 6: Final answer
   x = 115,091.35